DenseLinAlgPack_ElementaryMatVec.hpp

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// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
//                  Copyright (2003) Sandia Corporation
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#ifndef ELEMENTARY_MAT_VEC_H
#define ELEMENTARY_MAT_VEC_H

#include "DenseLinAlgPack_DMatrixClass.hpp"

namespace DenseLinAlgPack {

inline DVector e_vec(size_type i, size_type n) {
  DenseLinAlgPack::DVector v(0.0,n);
  v(i) = 1.0;
  return v;
}

inline DMatrix eye(size_type n) {
  DMatrix mat(0.0,n,n);
  mat.diag() = 1.0;
  return mat;
}

} // namespace DenseLinAlgPack

#endif // ELEMENTARY_MAT_VEC_H